Center for Systems Biology, Massachusetts General Hospital and Harvard Medical School, Boston. (J.G., G.B., P.T.O., K.M., S.P., N.K., F.E.P., D.R., S.Z., Y.I., G.R.W., C.V., M.H., M.N.).
Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston. (J.G., G.B., P.T.O., K.M., S.P., N.K., F.E.P., D.R., S.Z., C.V., M.H., M.N.).